Wall Jump is a free Android game developed by oridio that challenges players to jump as high as possible across walls. With simple one-tap controls, players can easily control their jumps and even double-jump in the middle of a jump for added height. The game also allows players to briefly hang onto walls, making it easier to plan their next move.

Wall Jump offers three game modes: Normal, Hard, and 100m Time Attack. In Normal Mode, the goal is to jump as high as possible, while Hard Mode offers a more challenging level for players who have completed 500m in Normal Mode. 100m Time Attack Mode, on the other hand, challenges players to jump as fast as possible.

Overall, Wall Jump is an addictive and entertaining game that offers simple yet challenging gameplay. With over 1,500,000 downloads to date, it's clear that many players have found it to be a fun and engaging experience.